/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
 *    http://www.geo-solutions.it/
 *    Copyright 2018 GeoSolutions
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 *  Copyright (c) 2009-2011, Michael Bedward. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this
 *    list of conditions and the following disclaimer in the documentation and/or
 *    other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.eclipse.imagen.media.jiffle.parser;

import org.junit.Test;

/**
 * Tests for parsing list expressions.
 *
 * @author Michael Bedward
 * @since 0.1
 * @version $Id$
 */
public class ListParsingTest extends ParserTestBase {

    @Test
    public void createEmptyList() throws Exception {
        System.out.println("   create empty list");

        String script = "foo = [];";
        int[] ast = getAST(script, parser -> parser.assignment());

        int[] expected = {
            JiffleParser.RULE_assignment,
            DOWN,
            JiffleParser.RULE_assignmentTarget,
            DOWN,
            JiffleParser.ID,
            UP,
            JiffleParser.ASSIGN,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.RULE_listLiteral,
            DOWN,
            JiffleParser.LSQUARE,
            JiffleParser.RSQUARE,
            UP,
            UP,
            UP
        };

        assertAST(ast, expected);
    }

    @Test
    public void createListWithElements() throws Exception {
        String script = " foo = [1, 2.0, bar, null];";

        int[] ast = getAST(script, parser -> parser.assignment());

        int[] expected = {
            JiffleParser.RULE_assignment,
            DOWN,
            JiffleParser.RULE_assignmentTarget,
            DOWN,
            JiffleParser.ID,
            UP,
            JiffleParser.ASSIGN,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.RULE_listLiteral,
            DOWN,
            JiffleParser.LSQUARE,
            JiffleParser.RULE_expressionList,
            DOWN,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.INT_LITERAL,
            UP,
            JiffleParser.COMMA,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.FLOAT_LITERAL,
            UP,
            JiffleParser.COMMA,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.ID,
            UP,
            JiffleParser.COMMA,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.NULL,
            UP,
            UP,
            JiffleParser.RSQUARE,
            UP,
            UP,
            UP
        };

        assertAST(ast, expected);
    }

    @Test
    public void appendWithOperator() throws Exception {
        String script = "foo = []; foo << 1; foo << bar;";

        int[] ast = getAST(script, parser -> parser.body());

        int[] expected = {
            JiffleParser.RULE_body,
            DOWN,
            JiffleParser.RULE_statement,
            DOWN,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.RULE_assignment,
            DOWN,
            JiffleParser.RULE_assignmentTarget,
            DOWN,
            JiffleParser.ID,
            UP,
            JiffleParser.ASSIGN,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.RULE_listLiteral,
            DOWN,
            JiffleParser.LSQUARE,
            JiffleParser.RSQUARE,
            UP,
            UP,
            UP,
            UP,
            JiffleParser.SEMI,
            UP,
            // end of empty assignment
            JiffleParser.RULE_statement,
            DOWN,
            JiffleParser.ID,
            JiffleParser.APPEND,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.INT_LITERAL,
            UP,
            JiffleParser.SEMI,
            UP,
            // end of append statement
            JiffleParser.RULE_statement,
            DOWN,
            JiffleParser.ID,
            JiffleParser.APPEND,
            JiffleParser.RULE_expression,
            DOWN,
            JiffleParser.ID,
            UP,
            JiffleParser.SEMI,
            UP,
            UP
        };

        assertAST(ast, expected);
    }
}
